524525020 has 24 divisors (see below), whose sum is σ = 1159477200. Its totient is φ = 198767232.

The previous prime is 524524981. The next prime is 524525083. The reversal of 524525020 is 20525425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689785 + ... + 690544.

It is an arithmetic number, because the mean of its divisors is an integer number (48311550).

Almost surely, 2^524525020 is an apocalyptic number.

It is an amenable number.

524525020 is an abundant number, since it is smaller than the sum of its proper divisors (634952180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

524525020 is a wasteful number, since it uses less digits than its factorization.

524525020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380357 (or 1380355 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 524525020 is about 22902.5112160217. The cubic root of 524525020 is about 806.4709650551.

The spelling of 524525020 in words is "five hundred twenty-four million, five hundred twenty-five thousand, twenty".